[INFO] updating cached repository Riptawr/zoo_visitor
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/Riptawr/zoo_visitor
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/Riptawr/zoo_visitor" "work/ex/beta-1.38-1/sources/1.37.0/gh/Riptawr/zoo_visitor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/Riptawr/zoo_visitor'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/Riptawr/zoo_visitor" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Riptawr/zoo_visitor"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Riptawr/zoo_visitor'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 86149d8276134d03b82f770c1ab15a84542d0fcd
[INFO] sha for GitHub repo Riptawr/zoo_visitor: 86149d8276134d03b82f770c1ab15a84542d0fcd
[INFO] validating manifest of Riptawr/zoo_visitor on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of Riptawr/zoo_visitor on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing Riptawr/zoo_visitor
[INFO] finished frobbing Riptawr/zoo_visitor
[INFO] frobbed toml for Riptawr/zoo_visitor written to work/ex/beta-1.38-1/sources/1.37.0/gh/Riptawr/zoo_visitor/Cargo.toml
[INFO] started frobbing Riptawr/zoo_visitor
[INFO] finished frobbing Riptawr/zoo_visitor
[INFO] frobbed toml for Riptawr/zoo_visitor written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Riptawr/zoo_visitor/Cargo.toml
[INFO] crate Riptawr/zoo_visitor already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing Riptawr/zoo_visitor against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Riptawr/zoo_visitor:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] fc12e026988bccdddd89d03f65bdddbefdb8d10b7f7cca12b354f115f7afe9d2
[INFO] running `"docker" "start" "-a" "fc12e026988bccdddd89d03f65bdddbefdb8d10b7f7cca12b354f115f7afe9d2"`
[INFO] [stderr]    Compiling snowflake v1.3.0
[INFO] [stderr]    Compiling thread_local v0.3.4
[INFO] [stderr]    Compiling zookeeper_derive v0.3.0
[INFO] [stderr]    Compiling regex v0.2.2
[INFO] [stderr]    Compiling zookeeper v0.4.0
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling zoo_visitor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.01s
[INFO] running `"docker" "inspect" "fc12e026988bccdddd89d03f65bdddbefdb8d10b7f7cca12b354f115f7afe9d2"`
[INFO] running `"docker" "rm" "-f" "fc12e026988bccdddd89d03f65bdddbefdb8d10b7f7cca12b354f115f7afe9d2"`
[INFO] [stdout] fc12e026988bccdddd89d03f65bdddbefdb8d10b7f7cca12b354f115f7afe9d2
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Riptawr/zoo_visitor:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"`
[INFO] [stdout] 3977a3a17041207b09a09f8975c633bd6026d9956a42dfaf8864ba4867fffc7b
[INFO] running `"docker" "start" "-a" "3977a3a17041207b09a09f8975c633bd6026d9956a42dfaf8864ba4867fffc7b"`
[INFO] [stderr]    Compiling zoo_visitor v0.1.0 (/opt/crater/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.62s
[INFO] running `"docker" "inspect" "3977a3a17041207b09a09f8975c633bd6026d9956a42dfaf8864ba4867fffc7b"`
[INFO] running `"docker" "rm" "-f" "3977a3a17041207b09a09f8975c633bd6026d9956a42dfaf8864ba4867fffc7b"`
[INFO] [stdout] 3977a3a17041207b09a09f8975c633bd6026d9956a42dfaf8864ba4867fffc7b
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-6/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/Riptawr/zoo_visitor:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"`
[INFO] [stdout] 2588c8c8f7d83d1062c277859ff0448ef3eb3d1ccd2807a3025dd8d757ba2fe5
[INFO] running `"docker" "start" "-a" "2588c8c8f7d83d1062c277859ff0448ef3eb3d1ccd2807a3025dd8d757ba2fe5"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/zoo_visitor-c203105a8c258472
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "2588c8c8f7d83d1062c277859ff0448ef3eb3d1ccd2807a3025dd8d757ba2fe5"`
[INFO] running `"docker" "rm" "-f" "2588c8c8f7d83d1062c277859ff0448ef3eb3d1ccd2807a3025dd8d757ba2fe5"`
[INFO] [stdout] 2588c8c8f7d83d1062c277859ff0448ef3eb3d1ccd2807a3025dd8d757ba2fe5